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Russian Academy of Sciences

Experimental Design Bureau of

Oceanological Engineering

   
 Rambler's Top100

Seismometers SM-3KV, SM-5, SM-6

 

SM-3KV is one-component short-period seismometer. SM-3KV is used in seismic observation systems of local and regional zones, for measurement variations and spectral characteristics of microseismic background, detection of earthquakes and explosions, analyzing oscillations of buildings, constructions, machines, etc.

 

Spesification

Operation frequency range (by level 0,7)          0,5 40 Hz

Velocity conversion coefficient in relation

to general at 2 Hz frequency                             4,000 5% Vs/m

Sensitivity limit at 2 Hz frequency                        1, 25 x10 m/s

Maximal amplitude of velocity converted           (3-6) x10 m/s

Maximal amplitude of output signal                    (6 12) V

Load resistance, not less than                           30 k

Pendulum zero adjustment                              automatic

Arrest-disarrest                                                      semiautomatic

Power supply voltage                                            (9 15) V

Input power, stationary mode,                             not more 0,45 W

Input power, arresting and rearresting modes, not more 1,2 W

Overall dimensions                                               232x173x163 mm

Maximum weight                                                    8,9 kg

 

SM-5 is portable seismometer used in seismic observation systems in local and regional zones, for measurement strong motion in the Earths crust and analyzing oscillations of buildings, constructions, machines, etc

 

Spesification

Operating frequency range                                   0,02 - 40 Hz

Transformation coefficient                                    200 5% Vs/m

Maximal amplitude of transformed velocity       0,06 m/s

Minimum dynamic range                                      120 dB

Power supply voltage                                             + 15 V

Maximum power consumption                            0,21 W

Overall dimensions                                               88x80x60 mm

Maximum weight                                                    1,2 kg

 

SM-6 is a portable seismometer, used in seismic observation systems of close and regional zones, in geophysical field works.

 

SPECIFICATION

Operating frequency range                                   0,8 - 40 Hz

Transformation coefficient                                    2000 10% Vs/m

Maximal amplitude of transformed velocity       0,06 m/s

Dynamic range, not less                                       120 dB

Power supply                                                           15 V

Maximum power consumption                            0,21 W

Overall dimensions                                               149 x 135 mm

Maximum weight                                                    2,86 kg

 

 

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